MCQs Mock Test for Lab Technicians and Technologists: Chapter 50

Toxic products in phagolysosome are

Capsulated forms of bacteria are

Attenuation means

Pellicle is found in only

The Largest virus is

The coating of a bacterium with antibody or complement that leads to enhanced phagocytosis of the bacterium by phagocytes is called

Prophylaxis of cholera is

Other than the sample (specimen) the remaining portion is stained then it is called

The total no. of genes in the group of same individuals is

If more than one stain is used, such staining is called

Main cause for Cholera is

The bacterial cells participating in conjugation are

Vibrio cholera differs from vibrio eltor by

The enzymes responsible for decomposition is

Nitrite is converted into nitrate by the bacteria

Phagocytes are

Bacillus Schlegelli is

Most molds are capable of growing in the temperature range between

The natural reservoir of infection for cholera is

The best example for symbiotic association is

Majority of bacteria are

Archaeo bacteria are known as

‘Fluorescence’ was first observed by

Symbionts are

Sh.dysenteriae is also known as

Presence of viable bacteria in the blood stream is called

Sulphur oxidizing bacteria is

By using fluorescence property fluorescent antibody technique was developed by

The extra cellular infections virus particle is called

The smallest virus is

The microorganism engulfed by phagocyte resides in a vacuole is known as

Transformation was observed mainly in

The group of bacteria which deopends on organic sources in nature for their energy requirements. They are said to be

Parasitic form must contain

Presence of viruses in the blood stream is known as

Alginic acids and its salts are obtained from the wall of

Opsonin is the

Urea is decomposed by the species

In algae, advanced type of sexual reproduction is

Infection that results in pus formation are called

The inorganic forms of nitrogen, which are accepted by bacteria are

During destruction of antigen particle in phagolysosome the product formed in phagolysosome the product formed during formulation is

Examples for actinomycetes

Phycobiont is

Cholera vaccine gives protection for

Shape of bacteriophage is

During staining for Electron Microscopy, the method which improves contrast of specimen is

The molds obtained nutrition from dead and decaying matter which are called

If only one stain is used for staining a specimen

ßßß-haemolytic bacteria is